Which of the Following Chemical Substances in the Mouth Acts

Question

Which of the following chemical substances in the mouth acts as a local antibiotic?
A) Defensin
B) Mucin
C) Lysozyme
D) Amylase
E) Pepsin

Accepted Answer

Defensins are antimicrobial peptides that act as local antibiotics in the mouth, helping to control the growth of bacteria and other pathogens.